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In the diagram, m CD = 128° and m DA = 76°. What is m∠ABC?

Kristi Hammond

in Mathematics

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Eric Morgan on August 12, 2018

The angle ABC is an inscribed angle.Inscribed angle = 1/2 * Intercepted ArcThe intercepted arc is the arc CD + arc DA, that would be 128 + 76 = 204m


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